Product Name: Receiver Product model: T10 Bluetooth-compatible audio receiving and transmitting 2-in-1 Product color: black Product size: 43x21x11mm Product weight: 27g (color box) Product packaging: 1pcs/neutral English color box Color box size: 10x6.5x1.6 CM Input voltage: DC5V Suitable type: computer, TV, projector (transmitting mode)/speaker, headphones (receiving mode) T10 transmission mode red light: audio input, transmitted to Bluetooth-compatible audio or Bluetooth-compatible headset through Bluetooth-compatible; generally applicable to: computer TV. T10 receiving mode blue light on: audio output, output to audio or car without Bluetooth-compatible through mobile phone connection; generally used in audio or car. Packing list: 1 x Receiver 1 x Audio Cable 1 x Instructions 1 x Carton Note: 1. Due to manual measurement, please allow 1-3cm error. Make sure you don't mind before bidding. 2. Due to the difference of different monitors, the picture may not reflect the actual color of the product. Thanks.